[BUYING] Logs or Planks

I'm in the market for a whole load of wood. I'm working on a new storage room and I need a TON of wood for all the chests. (Image Above) 384 planks or 1 1/2 stacks of logs per room. (32 Rooms) So that adds up to around 48 stacks of logs. I'm not quite sure how much wood is selling for right now, we could talk prices.